摘要
我是一名学生物的学生，年纪轻轻，初到厄瓜多尔，对此地东部的热带雨林不太熟悉。雨林的沼泽地里传来一阵叫声，不知是何东东？青蛙专家比尔低声告诉我，这是南美洲牛蛙。比尔想逮住它拍照。
＂Do you hear that whoooop, whoooop, whoooop coming from tne swamp.？＂
＂Yes,＂ I said. ＂What is it？＂ I was a young biology student, new to the rain forest of eastern Ecuador.
